#include <fstream>

using namespace std;

ifstream cin("permutari.in");
ofstream cout("permutari.out");

int v[20];

void submultimi(int n, int p)
{
    if (p == n + 1)
    {
        for (int j = 1; j <= n; ++j)
        {
            cout << v[j] << ' ';
        }
        cout << '\n';
        return;
    }
    for (int i = 1; i <= n; ++i)
    {
        v[p] = i;
        bool ok = true;
        for(int j = 1; j < p; ++j)
        {
            if(v[p] == v[j])
            {
                ok = false;
            }
        }
        if (ok == true)
        {
            submultimi(n, p + 1);
        }
    }
}

int main()
{
    int n;
    cin >> n;
    submultimi (n, 1);
    return 0;
}